How did the Romans purify water?

Related questions

1. What did poor Romans drink?
2. Does wine contain water?
3. Did the Romans invent aqueducts?
4. How did the aqueducts help Rome?
5. Do they speak English in Italy?
6. How did Romans keep clean?
7. Did Romans have toilets in their houses?
8. Does alcohol purify water?
9. How were the Roman aqueducts made?
10. What was the purpose of a Roman aqueduct?

Tags

1. #aqueduct
2. #because
3. #covered
4. #being
5. #contaminated
6. #heated
7. #different
8. #water
9. #tells
10. #frontinus
11. #quality
12. #variations
13. #aqueducts
14. #impurities
15. #carrying
16. #separated
17. #prevent
18. #streams
19. #other